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A Birder’s Guide to U.S. Federal Public Lands

10,000 Birds

Several endangered species are (or have been) highly dependent on specific tracts of federal land. California Condors rely on Pinnacles , Grand Canyon , and Zion national parks, as well as Bitter Creek and Hopper Mountain NWRs. For example, Whooping Cranes winter almost exclusively at Aransas NWR in Texas.

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Endangered Birds: 50th Anniversary for the Class of 1967

10,000 Birds

Before the Endangered Species Act of 1973 (ESA), there was the Endangered Species Preservation Act of 1966. endangered species was issued on March 11, 1967, under the earlier law, and those listings were ultimately grandfathered into the ESA. California Condor – Gymnogyps californianus.